DE405 Lunar Ephemeris Calculator Spanning the 600-Year Period From 1600 to 2200 on the Modern Gregorian Calendar PHP Program by Jay Tanner - Based on the NASA/JPL DE405 Ephemeris Model
Calendar Date Year / Month / Day	Time hh:mm:ss	Date/Time Mode LT | UT | TT	Local Time Zone Offset From UT ±hh:mm (Neg/Pos  =  West/East)
			Local Time (LT) =  UT
Default Location:  America/New_York - Your Local Latitude, Lonitude and Time Zone May be Different
Geographic Location Used For Local Topocentric Computations			21.7376 deg
Latitude Deg.ddd or DMS (Neg=S)	Longitude Deg.ddd or DMS (Neg=W)	Sea-Level Elevation meters
QUICK DE405 LUNAR EPHEMERIS STATISTICS ---------------------------- DATE/TIME/MODE/ZONE/LOCATION Date = 2025 Dec 21 Sun Time = 19:33:08 LT Time Zone = UT-05:00 Delta T = +00:01:15 Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m JD TT = 2461031.52387732 = Working Julian Date on TT scale Phase Angle = 21.7376 deg Visual Phase = Waxing crescent, just past new moon Horizon Altitude = -16.391° BELOW local horizon - Descending in WSW Direction Azimuth = 249.564° = WSW (N=0, E=90, S=180, W=270) ====================================================================== TIME LT LOCAL BASIC EVENTS SCHEDULE FOR DATE -------- ------------------------------------ 07:35 Sunrise 09:10 Moonrise - Waxing crescent, just past new moon 16:37 Sunset 17:52 Moonset ====================================================================== GEOCENTRIC LUNAR COORDINATES AND DISTANCE Right Ascension = 19h 38m 23.329s = 19.6398136 h = 294.597204° Declination = -25° 23' 03.90" = -25.384418° Distance = 247896.541 mi = 398950.811 km Angular Diameter = 29' 57.25" = 29.95412' = 1797.25" = 0.4992353° Eq. Horiz. Parallax = 54' 57.76" = 0.9160430° = 54.96258' = 3297.75" Local Hour Angle = -18h 07m 58.84s = -18.1330103 h = -271.9951540° ----------------------------- TOPOCENTRIC LUNAR COORDINATES Right Ascension = 19h 35m 24.193s = 19.5900536 h = 293.8508040° Declination = -25° 56' 53.60" = -25.948223° Radial Velocity = -115.38 km/h = -71.70 mi/h = Approaching Earth Orbital Velocity = 3561.37 km/h = 2212.93 mi/h DECEMBER 2025 - Lunar Quarter Phases, Apogees and Perigees For Time Zone UT-05:00 Applied NASA Delta T = +00:01:15 Date and Time LT Lunar Event --------------------- ----------------------------------- 2025 Dec 04 Thu 06:07 Perigee 221806.25 mi = 356962.56 km 2025 Dec 04 Thu 18:14 Full Moon = Phase 180 2025 Dec 11 Thu 15:52 Last Quarter Moon = Phase 270 2025 Dec 17 Wed 01:09 Apogee 252476.93 mi = 406322.23 km 2025 Dec 19 Fri 20:43 New Moon = Phase 0/360 2025 Dec 27 Sat 14:10 First Quarter Moon = Phase 90
EXTENDED DE405 LUNAR EPHEMERIS STATISTICS AND HOURLY TABLE Time Mode = LT Time Zone = UT-05:00 ---------------------------------------------------------- CALENDAR DATE TIME JULIAN DATE JD NUMBER --------------- ----------- ---------------- ----------- 2025 Dec 21 Sun 19:33:08 LT 2461031.31467593 2461031 LT -05:00:00 TZ -0.20833333 2025 Dec 22 Mon 00:33:08 UT 2461031.52300926 2461032 UT +00:01:15 dT +0.00086806 2025 Dec 22 Mon 00:34:23 TT 2461031.52387732 2461032 TT JD TT = 2461031.52387732 = Working Julian Date on TT scale Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m ----------- EARTH GEOID ρ × sin(φ') = +0.6743577407 ρ × cos(φ') = +0.7363265249 ---------------------- APPARENT SIDEREAL TIME Greenwich 06h 37m 42.02s = 6.6283374 h = 99.4250612 deg Local 01h 30m 24.49s = 1.5068033 h = 22.6020501 deg ================================================================= LUNAR POSITION, DISTANCE, PHASE AND LOCAL SUN/MOON RISE/SET TIMES Date = 2025 Dec 21 Sun Time = 19:33:08 LT Time Zone = UT-05:00 Delta T = +00:01:15 JD TT = 2461031.52387732 GEOGRAPHIC LOCATION Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m GEOCENTRIC LUNAR COORDINATES Right Ascension = 19h 38m 23.329s = 19.6398136 h = 294.597204° Declination = -25° 23' 03.90" = -25.384418° Distance = 247896.541 mi = 398950.811 km Phase Angle = 21.73757° Visual Phase = Waxing crescent, just past new moon Angular Diameter = 29' 57.25" = 29.95412' = 1797.25" = 0.4992353° Eq. Horiz. Parallax = 54' 57.76" = 0.9160430° = 54.96258' = 3297.75" Radial Velocity = -115.38 km/h = -71.70 mi/h = Approaching Earth Orbital Velocity = 3561.37 km/h = 2212.93 mi/h TOPOCENTRIC LUNAR COORDINATES Right Ascension = 19h 35m 24.193s = 19.5900536 h = 293.8508040° Declination = -25° 56' 53.60" = -25.948223° Horizon Altitude = -16.391° BELOW local horizon - Descending in WSW Direction Azimuth = 249.564° = WSW (N=0, E=90, S=180, W=270) Local Hour Angle = -18h 07m 58.84s = -18.1330103 h = -271.9951540° Light Time = 1.3037 sec = 1-way surface-to-surface = 2.6074 sec = 2-way surface-to-surface -------- ------------------------------------------------ TIME LT LOCAL EVENTS SCHEDULE FOR DATE 07:35 Sunrise 09:10 Moonrise - Waxing crescent, just past new moon 16:37 Sunset 17:52 Moonset ----------------------------------------------------------------- HOURLY GEOCENTRIC LUNAR COORDINATES, DISTANCE AND PHASE EPHEMERIS DATE = 2025 Dec 21 Sun LT TZ = UT-05:00 = Time Zone Offset From UT (Neg/Pos = West/East) dT = +00:01:15 = NASA Delta T estimate Table Origin for 00:00:00 LT of date = 2461030.70920139 TT LT hh RA Hrs Decl Deg Dist Km Dist Mi Phase Deg -- ---------- ---------- ---------- ---------- --------- -3 18.7992956 -27.383544 401357.852 249392.207 11.2148 -2 18.8369485 -27.319218 401259.523 249331.108 11.6792 -1 18.8745741 -27.252587 401160.400 249269.516 12.1437 00 18.9121711 -27.183655 401060.484 249207.431 12.6084 01 18.9497381 -27.112430 400959.779 249144.856 13.0734 02 18.9872739 -27.038917 400858.286 249081.791 13.5385 03 19.0247773 -26.963124 400756.009 249018.239 14.0039 04 19.0622470 -26.885057 400652.948 248954.200 14.4695 05 19.0996818 -26.804723 400549.108 248889.677 14.9352 06 19.1370805 -26.722131 400444.489 248824.670 15.4012 07 19.1744421 -26.637287 400339.093 248759.180 15.8674 08 19.2117653 -26.550201 400232.924 248693.209 16.3338 09 19.2490491 -26.460879 400125.981 248626.758 16.8004 10 19.2862923 -26.369330 400018.268 248559.828 17.2672 11 19.3234940 -26.275564 399909.786 248492.421 17.7343 12 19.3606531 -26.179589 399800.536 248424.536 18.2015 13 19.3977686 -26.081415 399690.520 248356.175 18.6690 14 19.4348395 -25.981050 399579.740 248287.339 19.1367 15 19.4718650 -25.878505 399468.196 248218.029 19.6046 16 19.5088441 -25.773790 399355.890 248148.245 20.0728 17 19.5457758 -25.666913 399242.824 248077.990 20.5412 18 19.5826594 -25.557887 399128.997 248007.261 21.0098 19 19.6194940 -25.446720 399014.412 247936.061 21.4786 20 19.6562788 -25.333424 398899.069 247864.390 21.9476 21 19.6930131 -25.218010 398782.970 247792.250 22.4169 22 19.7296961 -25.100488 398666.114 247719.639 22.8864 23 19.7663271 -24.980871 398548.504 247646.559 23.3562 24 19.8029054 -24.859169 398430.139 247573.010 23.8261 25 19.8394305 -24.735393 398311.020 247498.993 24.2963 26 19.8759015 -24.609557 398191.149 247424.509 24.7668 27 19.9123181 -24.481671 398070.525 247349.557 25.2375 28 19.9486796 -24.351747 397949.148 247274.137 25.7084 ======================================================================
DE405 Lunar Ephemeris Calculator - v2.95 - A PHP Astronomy Program by Jay Tanner Revised: 2022 August 27 at 12:46:14 AM Saturday